40113230440 has 16 divisors (see below), whose sum is σ = 90254768580. Its totient is φ = 16045292160.

The previous prime is 40113230429. The next prime is 40113230449. The reversal of 40113230440 is 4403231104.

It can be written as a sum of positive squares in 2 ways, for example, as 32592525156 + 7520705284 = 180534^2 + 86722^2 .

It is not an unprimeable number, because it can be changed into a prime (40113230449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501415341 + ... + 501415420.

Almost surely, 2^40113230440 is an apocalyptic number.

40113230440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40113230440 is an abundant number, since it is smaller than the sum of its proper divisors (50141538140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40113230440 is a wasteful number, since it uses less digits than its factorization.

40113230440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002830772 (or 1002830768 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 40113230440 its reverse (4403231104), we get a palindrome (44516461544).

The spelling of 40113230440 in words is "forty billion, one hundred thirteen million, two hundred thirty thousand, four hundred forty".